New posts in geometry

How to tell if a line segment intersects with a circle?

What does it mean to be $0.9-$Dimension?

Connections between prime numbers and geometry

riddle that involves elementary geometry

Given $2n$ points in the plane, $n$ blue points and $n$ red points, no $3$ are collinear. Prove that we have at least two "balanced lines".

Prove that the angles between tangents to circles centered on a trapezium are equal

Finding the other two vertices of a square, given opposite vertices $(a, b)$ and $(c, d)$

Prove concurrency of triangle altitudes with vector algebra?

Line and plane intersection in 3D

Books for maths olympiad

The PDF of the area of a random triangle in a square

Are triangles the strongest shape?

Midpoint polygons?

How many whole pieces can be taken out in this way? (Infinite chocolate bar problem)

What is view confusion in perspective projection?

android.support.v4.widget.CircleImageView does not work

Why does multiplication act like scaling and rotation of a vector in the complex plane? [duplicate]

How can I check if a point is below a line or not ?

Explain Hough Transformation

Sum of angles under which a fixed line segment is seen from points situated on another line segment